Idealpoint via Amazon offers Prime members the New Trent Trentium Rugged Case for Apple iPhone 6 in Black/Silver/Gold, model no. NT636CR-S, for $18.95. Coupon code "KQ6C3NPY" cuts it to $7.45. Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.19.) That's a buck below our May mention and the lowest total price we've seen. (It's s a current low by $12.) It includes three interchangeable back covers.

Of note, it's also available for iPhone 5/5s in Black/Silver/Gold, model no. NT630CR, for $6.25 via coupon code "64GVN5ZB". Plus, Prime members bag free shipping. (Non-members can spend $35 or more to qualify for free shipping; otherwise, shipping costs $6.16.) That's also a buck below our May mention and the lowest total price we've seen. (It's s a current low by $10.) It includes three interchangeable back covers.